"Orbit"

Gabriel Bouys / AFP/Getty Images

"Orbit," from Anish Kapoor, the artist behind "Cloud Gate" at Chicago's Millennium Park, rises about 377 feet above Olympic Park near Olympic Stadium. Kapoor designed the work to convey movement and instability, ideas not usually associated with towers.

"Orbit," from Anish Kapoor, the artist behind "Cloud Gate" at Chicago's Millennium Park, rises about 377 feet above Olympic Park near Olympic Stadium. Kapoor designed the work to convey movement and instability, ideas not usually associated with towers. (Gabriel Bouys / AFP/Getty Images)

"Orbit," from Anish Kapoor, the artist behind "Cloud Gate" at Chicago's Millennium Park, rises about 377 feet above Olympic Park near Olympic Stadium. Kapoor designed the work to convey movement and instability, ideas not usually associated with towers.